Set 7 In 1 and 5 in 1 PH Meter TDS/EC/Salt/Temp Water Quality Monitor Tester Pen 5KG and turnable knobs for an

and turnable knobs for an exciting experience

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Set 7 In 1 and 5 in 1 PH Meter TDS/EC/Salt/Temp Water Quality Monitor Tester Pen 5KG and turnable knobs for anFeature: Multi functional water quality test pen, which can measure ph pH, solubility, EC conductivity, salinity and temperature. (Sea salt fresh water salt) It is a waterproof water quality test pen with five functions. It has high performance, pen design and fast numerical value. Parameters: Sea salt: Sea water salinity is the ratio of total dissolved solids to the weight of sea salt in sea water, usually expressed in grams per kilogram of sea